public ActionResult Index(OrderDemo model)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    ObjOrderDemoService.Add(model);
                    TempData["Message"] = "Thankyou for your information. We will contact you soon..!!";

                }
                else
                {
                    return View(model);
                }
                return RedirectToAction("Index");
            }
            catch
            {
                return View();
            }
        }
 public OrderDemo Update(OrderDemo entity)
 {
     throw new System.NotImplementedException();
 }
 public void Delete(OrderDemo entity)
 {
     throw new System.NotImplementedException();
 }
 public OrderDemo Add(OrderDemo entity)
 {
     entity = repository.Add(entity);
     unitOfWork.Commit();
     return entity;
 }